<html>
  <head>
    <style>
      div { box-sizing: border-box;
            width: 60px;
            height: 20px;
            border: 2px solid black;
            background: green;
            position: absolute;
            top: 12px;
            left: 12px;
            border-radius: 5px 20px 5px 20px;
          }
    </style>
  </head>
  <body>
    <div></div>
  </body>
</html>
